t_vnops.c revision 1.50
1 /* $NetBSD: t_vnops.c,v 1.50 2016/01/01 15:13:57 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/stat.h> 30 #include <sys/statvfs.h> 31 32 #include <assert.h> 33 #include <atf-c.h> 34 #include <fcntl.h> 35 #include <libgen.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <unistd.h> 39 40 #include <rump/rump_syscalls.h> 41 #include <rump/rump.h> 42 43 #include "../common/h_fsmacros.h" 44 #include "../../h_macros.h" 45 46 #define TESTFILE "afile" 47 48 #define USES_DIRS \ 49 if (FSTYPE_SYSVBFS(tc)) \ 50 atf_tc_skip("directories not supported by file system") 51 52 #define USES_SYMLINKS \ 53 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) \ 54 atf_tc_skip("symlinks not supported by file system") 55 56 static char * 57 md(char *buf, const char *base, const char *tail) 58 { 59 60 sprintf(buf, "%s/%s", base, tail); 61 return buf; 62 } 63 64 static void 65 lookup_simple(const atf_tc_t *tc, const char *mountpath) 66 { 67 char pb[MAXPATHLEN], final[MAXPATHLEN]; 68 struct stat sb1, sb2; 69 70 strcpy(final, mountpath); 71 sprintf(pb, "%s/../%s", mountpath, basename(final)); 72 if (rump_sys_stat(pb, &sb1) == -1) 73 atf_tc_fail_errno("stat 1"); 74 75 sprintf(pb, "%s/./../%s", mountpath, basename(final)); 76 if (rump_sys_stat(pb, &sb2) == -1) 77 atf_tc_fail_errno("stat 2"); 78 79 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 80 } 81 82 static void 83 lookup_complex(const atf_tc_t *tc, const char *mountpath) 84 { 85 char pb[MAXPATHLEN]; 86 struct stat sb1, sb2; 87 88 USES_DIRS; 89 90 if (FSTYPE_UDF(tc)) 91 atf_tc_expect_fail("PR kern/49033"); 92 93 sprintf(pb, "%s/dir", mountpath); 94 if (rump_sys_mkdir(pb, 0777) == -1) 95 atf_tc_fail_errno("mkdir"); 96 if (rump_sys_stat(pb, &sb1) == -1) 97 atf_tc_fail_errno("stat 1"); 98 99 sprintf(pb, "%s/./dir/../././dir/.", mountpath); 100 if (rump_sys_stat(pb, &sb2) == -1) 101 atf_tc_fail_errno("stat 2"); 102 103 if (memcmp(&sb1, &sb2, sizeof(sb1)) != 0) { 104 printf("what\tsb1\t\tsb2\n"); 105 106 #define FIELD(FN) \ 107 printf(#FN "\t%lld\t%lld\n", \ 108 (long long)sb1.FN, (long long)sb2.FN) 109 #define TIME(FN) \ 110 printf(#FN "\t%lld.%ld\t%lld.%ld\n", \ 111 (long long)sb1.FN.tv_sec, sb1.FN.tv_nsec, \ 112 (long long)sb2.FN.tv_sec, sb2.FN.tv_nsec) 113 114 FIELD(st_dev); 115 FIELD(st_mode); 116 FIELD(st_ino); 117 FIELD(st_nlink); 118 FIELD(st_uid); 119 FIELD(st_gid); 120 FIELD(st_rdev); 121 TIME(st_atimespec); 122 TIME(st_mtimespec); 123 TIME(st_ctimespec); 124 TIME(st_birthtimespec); 125 FIELD(st_size); 126 FIELD(st_blocks); 127 FIELD(st_flags); 128 FIELD(st_gen); 129 130 #undef FIELD 131 #undef TIME 132 133 atf_tc_fail("stat results differ, see ouput for more details"); 134 } 135 if (FSTYPE_UDF(tc)) 136 atf_tc_fail("random failure of PR kern/49033 " 137 "did not happen this time"); 138 } 139 140 static void 141 dir_simple(const atf_tc_t *tc, const char *mountpath) 142 { 143 char pb[MAXPATHLEN]; 144 struct stat sb; 145 146 USES_DIRS; 147 148 /* check we can create directories */ 149 sprintf(pb, "%s/dir", mountpath); 150 if (rump_sys_mkdir(pb, 0777) == -1) 151 atf_tc_fail_errno("mkdir"); 152 if (rump_sys_stat(pb, &sb) == -1) 153 atf_tc_fail_errno("stat new directory"); 154 155 /* check we can remove then and that it makes them unreachable */ 156 if (rump_sys_rmdir(pb) == -1) 157 atf_tc_fail_errno("rmdir"); 158 if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) 159 atf_tc_fail("ENOENT expected from stat"); 160 } 161 162 static void 163 dir_notempty(const atf_tc_t *tc, const char *mountpath) 164 { 165 char pb[MAXPATHLEN], pb2[MAXPATHLEN]; 166 int fd, rv; 167 168 USES_DIRS; 169 170 /* check we can create directories */ 171 sprintf(pb, "%s/dir", mountpath); 172 if (rump_sys_mkdir(pb, 0777) == -1) 173 atf_tc_fail_errno("mkdir"); 174 175 sprintf(pb2, "%s/dir/file", mountpath); 176 fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); 177 if (fd == -1) 178 atf_tc_fail_errno("create file"); 179 rump_sys_close(fd); 180 181 rv = rump_sys_rmdir(pb); 182 if (rv != -1 || errno != ENOTEMPTY) 183 atf_tc_fail("non-empty directory removed succesfully"); 184 185 if (rump_sys_unlink(pb2) == -1) 186 atf_tc_fail_errno("cannot remove dir/file"); 187 188 if (rump_sys_rmdir(pb) == -1) 189 atf_tc_fail_errno("remove directory"); 190 } 191 192 static void 193 dir_rmdirdotdot(const atf_tc_t *tc, const char *mp) 194 { 195 char pb[MAXPATHLEN]; 196 int xerrno; 197 198 USES_DIRS; 199 200 FSTEST_ENTER(); 201 RL(rump_sys_mkdir("test", 0777)); 202 RL(rump_sys_chdir("test")); 203 204 RL(rump_sys_mkdir("subtest", 0777)); 205 RL(rump_sys_chdir("subtest")); 206 207 md(pb, mp, "test/subtest"); 208 RL(rump_sys_rmdir(pb)); 209 md(pb, mp, "test"); 210 RL(rump_sys_rmdir(pb)); 211 212 if (FSTYPE_NFS(tc)) 213 xerrno = ESTALE; 214 else 215 xerrno = ENOENT; 216 ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); 217 FSTEST_EXIT(); 218 } 219 220 static void 221 checkfile(const char *path, struct stat *refp) 222 { 223 char buf[MAXPATHLEN]; 224 struct stat sb; 225 static int n = 1; 226 227 md(buf, path, "file"); 228 if (rump_sys_stat(buf, &sb) == -1) 229 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 230 if (memcmp(&sb, refp, sizeof(sb)) != 0) 231 atf_tc_fail("stat mismatch %d", n); 232 n++; 233 } 234 235 static void 236 rename_dir(const atf_tc_t *tc, const char *mp) 237 { 238 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 239 struct stat ref, sb; 240 241 if (FSTYPE_RUMPFS(tc)) 242 atf_tc_skip("rename not supported by file system"); 243 244 USES_DIRS; 245 246 md(pb1, mp, "dir1"); 247 if (rump_sys_mkdir(pb1, 0777) == -1) 248 atf_tc_fail_errno("mkdir 1"); 249 250 md(pb2, mp, "dir2"); 251 if (rump_sys_mkdir(pb2, 0777) == -1) 252 atf_tc_fail_errno("mkdir 2"); 253 md(pb2, mp, "dir2/subdir"); 254 if (rump_sys_mkdir(pb2, 0777) == -1) 255 atf_tc_fail_errno("mkdir 3"); 256 257 md(pb3, mp, "dir1/file"); 258 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 259 atf_tc_fail_errno("create file"); 260 if (rump_sys_stat(pb3, &ref) == -1) 261 atf_tc_fail_errno("stat of file"); 262 263 /* 264 * First try ops which should succeed. 265 */ 266 267 /* rename within directory */ 268 md(pb3, mp, "dir3"); 269 if (rump_sys_rename(pb1, pb3) == -1) 270 atf_tc_fail_errno("rename 1"); 271 checkfile(pb3, &ref); 272 273 /* rename directory onto itself (two ways, should fail) */ 274 md(pb1, mp, "dir3/."); 275 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 276 atf_tc_fail_errno("rename 2"); 277 if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 278 atf_tc_fail_errno("rename 3"); 279 280 checkfile(pb3, &ref); 281 282 /* rename father of directory into directory */ 283 md(pb1, mp, "dir2/dir"); 284 md(pb2, mp, "dir2"); 285 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 286 atf_tc_fail_errno("rename 4"); 287 288 /* same for grandfather */ 289 md(pb1, mp, "dir2/subdir/dir2"); 290 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 291 atf_tc_fail("rename 5"); 292 293 checkfile(pb3, &ref); 294 295 /* rename directory over a non-empty directory */ 296 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 297 atf_tc_fail("rename 6"); 298 299 /* cross-directory rename */ 300 md(pb1, mp, "dir3"); 301 md(pb2, mp, "dir2/somedir"); 302 if (rump_sys_rename(pb1, pb2) == -1) 303 atf_tc_fail_errno("rename 7"); 304 checkfile(pb2, &ref); 305 306 /* move to parent directory */ 307 md(pb1, mp, "dir2/somedir/../../dir3"); 308 if (rump_sys_rename(pb2, pb1) == -1) 309 atf_tc_fail_errno("rename 8"); 310 md(pb1, mp, "dir2/../dir3"); 311 checkfile(pb1, &ref); 312 313 /* atomic cross-directory rename */ 314 md(pb3, mp, "dir2/subdir"); 315 if (rump_sys_rename(pb1, pb3) == -1) 316 atf_tc_fail_errno("rename 9"); 317 checkfile(pb3, &ref); 318 319 /* rename directory over an empty directory */ 320 md(pb1, mp, "parent"); 321 md(pb2, mp, "parent/dir1"); 322 md(pb3, mp, "parent/dir2"); 323 RL(rump_sys_mkdir(pb1, 0777)); 324 RL(rump_sys_mkdir(pb2, 0777)); 325 RL(rump_sys_mkdir(pb3, 0777)); 326 RL(rump_sys_rename(pb2, pb3)); 327 328 RL(rump_sys_stat(pb1, &sb)); 329 if (! FSTYPE_MSDOS(tc)) 330 ATF_CHECK_EQ(sb.st_nlink, 3); 331 RL(rump_sys_rmdir(pb3)); 332 RL(rump_sys_rmdir(pb1)); 333 } 334 335 static void 336 rename_dotdot(const atf_tc_t *tc, const char *mp) 337 { 338 339 if (FSTYPE_RUMPFS(tc)) 340 atf_tc_skip("rename not supported by file system"); 341 342 USES_DIRS; 343 344 if (rump_sys_chdir(mp) == -1) 345 atf_tc_fail_errno("chdir mountpoint"); 346 347 if (rump_sys_mkdir("dir1", 0777) == -1) 348 atf_tc_fail_errno("mkdir 1"); 349 if (rump_sys_mkdir("dir2", 0777) == -1) 350 atf_tc_fail_errno("mkdir 2"); 351 352 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 353 atf_tc_fail_errno("self-dotdot to"); 354 355 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 356 atf_tc_fail_errno("self-dotdot from"); 357 358 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 359 atf_tc_fail("other-dotdot"); 360 361 rump_sys_chdir("/"); 362 } 363 364 static void 365 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 366 { 367 bool haslinks; 368 struct stat sb; 369 ino_t f1ino; 370 371 if (FSTYPE_RUMPFS(tc)) 372 atf_tc_skip("rename not supported by file system"); 373 374 if (rump_sys_chdir(mp) == -1) 375 atf_tc_fail_errno("chdir mountpoint"); 376 377 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 378 haslinks = false; 379 else 380 haslinks = true; 381 382 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 383 atf_tc_fail_errno("create file"); 384 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 385 atf_tc_fail_errno("create file"); 386 387 if (rump_sys_stat("file1", &sb) == -1) 388 atf_tc_fail_errno("stat"); 389 f1ino = sb.st_ino; 390 391 if (haslinks) { 392 if (rump_sys_link("file1", "file_link") == -1) 393 atf_tc_fail_errno("link"); 394 if (rump_sys_stat("file_link", &sb) == -1) 395 atf_tc_fail_errno("stat"); 396 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 397 ATF_REQUIRE_EQ(sb.st_nlink, 2); 398 } 399 400 if (rump_sys_stat("file2", &sb) == -1) 401 atf_tc_fail_errno("stat"); 402 403 if (rump_sys_rename("file1", "file3") == -1) 404 atf_tc_fail_errno("rename 1"); 405 if (rump_sys_stat("file3", &sb) == -1) 406 atf_tc_fail_errno("stat 1"); 407 if (haslinks) { 408 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 409 } 410 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 411 atf_tc_fail_errno("source 1"); 412 413 if (rump_sys_rename("file3", "file2") == -1) 414 atf_tc_fail_errno("rename 2"); 415 if (rump_sys_stat("file2", &sb) == -1) 416 atf_tc_fail_errno("stat 2"); 417 if (haslinks) { 418 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 419 } 420 421 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 422 atf_tc_fail_errno("source 2"); 423 424 if (haslinks) { 425 if (rump_sys_rename("file2", "file_link") == -1) 426 atf_tc_fail_errno("rename hardlink"); 427 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 428 atf_tc_fail_errno("source 3"); 429 if (rump_sys_stat("file_link", &sb) == -1) 430 atf_tc_fail_errno("stat 2"); 431 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 432 ATF_REQUIRE_EQ(sb.st_nlink, 1); 433 } 434 435 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename("file2", NULL) == -1); 436 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename(NULL, "file2") == -1); 437 438 rump_sys_chdir("/"); 439 } 440 441 static void 442 create_many(const atf_tc_t *tc, const char *mp) 443 { 444 char buf[64]; 445 int nfiles = 2324; /* #Nancy */ 446 int i; 447 448 /* fs doesn't support many files */ 449 if (FSTYPE_SYSVBFS(tc)) 450 nfiles = 5; 451 452 /* takes forever with many files */ 453 if (FSTYPE_MSDOS(tc)) 454 nfiles /= 4; 455 456 RL(rump_sys_chdir(mp)); 457 458 /* msdosfs doesn't like many entries in the root directory */ 459 RL(rump_sys_mkdir("subdir", 0777)); 460 RL(rump_sys_chdir("subdir")); 461 462 /* create them */ 463 #define TESTFN "this_is_the_filename" 464 for (i = 0; i < nfiles; i++) { 465 int fd; 466 467 sprintf(buf, TESTFN "%d\n", i); 468 RL(fd = rump_sys_open(buf, O_RDWR|O_CREAT|O_EXCL, 0666)); 469 RL(rump_sys_close(fd)); 470 } 471 472 /* wipe them out */ 473 for (i = 0; i < nfiles; i++) { 474 sprintf(buf, TESTFN "%d\n", i); 475 RL(rump_sys_unlink(buf)); 476 } 477 #undef TESTFN 478 479 rump_sys_chdir("/"); 480 } 481 482 static void 483 create_nametoolong(const atf_tc_t *tc, const char *mp) 484 { 485 char *name; 486 int fd; 487 long val; 488 size_t len; 489 490 if (rump_sys_chdir(mp) == -1) 491 atf_tc_fail_errno("chdir mountpoint"); 492 493 val = rump_sys_pathconf(".", _PC_NAME_MAX); 494 if (val == -1) 495 atf_tc_fail_errno("pathconf"); 496 497 len = val + 1; 498 name = malloc(len+1); 499 if (name == NULL) 500 atf_tc_fail_errno("malloc"); 501 502 memset(name, 'a', len); 503 *(name+len) = '\0'; 504 505 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 506 if (val == -1) 507 atf_tc_fail_errno("pathconf"); 508 509 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 510 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 511 atf_tc_fail_errno("open"); 512 513 if (val == 0 && rump_sys_close(fd) == -1) 514 atf_tc_fail_errno("close"); 515 if (val == 0 && rump_sys_unlink(name) == -1) 516 atf_tc_fail_errno("unlink"); 517 518 free(name); 519 520 rump_sys_chdir("/"); 521 } 522 523 static void 524 create_exist(const atf_tc_t *tc, const char *mp) 525 { 526 const char *name = "hoge"; 527 int fd; 528 529 RL(rump_sys_chdir(mp)); 530 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 531 RL(rump_sys_close(fd)); 532 RL(rump_sys_unlink(name)); 533 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 534 RL(rump_sys_close(fd)); 535 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 536 RL(rump_sys_close(fd)); 537 ATF_REQUIRE_ERRNO(EEXIST, 538 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 539 RL(rump_sys_unlink(name)); 540 RL(rump_sys_chdir("/")); 541 } 542 543 static void 544 rename_nametoolong(const atf_tc_t *tc, const char *mp) 545 { 546 char *name; 547 int res, fd; 548 long val; 549 size_t len; 550 551 if (FSTYPE_RUMPFS(tc)) 552 atf_tc_skip("rename not supported by file system"); 553 554 if (rump_sys_chdir(mp) == -1) 555 atf_tc_fail_errno("chdir mountpoint"); 556 557 val = rump_sys_pathconf(".", _PC_NAME_MAX); 558 if (val == -1) 559 atf_tc_fail_errno("pathconf"); 560 561 len = val + 1; 562 name = malloc(len+1); 563 if (name == NULL) 564 atf_tc_fail_errno("malloc"); 565 566 memset(name, 'a', len); 567 *(name+len) = '\0'; 568 569 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 570 if (fd == -1) 571 atf_tc_fail_errno("open"); 572 if (rump_sys_close(fd) == -1) 573 atf_tc_fail_errno("close"); 574 575 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 576 if (val == -1) 577 atf_tc_fail_errno("pathconf"); 578 579 res = rump_sys_rename("dummy", name); 580 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 581 atf_tc_fail_errno("rename"); 582 583 if (val == 0 && rump_sys_unlink(name) == -1) 584 atf_tc_fail_errno("unlink"); 585 586 free(name); 587 588 rump_sys_chdir("/"); 589 } 590 591 /* 592 * Test creating a symlink whose length is "len" bytes, not including 593 * the terminating NUL. 594 */ 595 static void 596 symlink_len(const atf_tc_t *tc, const char *mp, size_t len) 597 { 598 char *buf; 599 int r; 600 601 USES_SYMLINKS; 602 603 RL(rump_sys_chdir(mp)); 604 605 buf = malloc(len + 1); 606 ATF_REQUIRE(buf); 607 memset(buf, 'a', len); 608 buf[len] = '\0'; 609 r = rump_sys_symlink(buf, "afile"); 610 if (r == -1) { 611 ATF_REQUIRE_ERRNO(ENAMETOOLONG, r); 612 } else { 613 RL(rump_sys_unlink("afile")); 614 } 615 free(buf); 616 617 RL(rump_sys_chdir("/")); 618 } 619 620 static void 621 symlink_zerolen(const atf_tc_t *tc, const char *mp) 622 { 623 symlink_len(tc, mp, 0); 624 } 625 626 static void 627 symlink_long(const atf_tc_t *tc, const char *mp) 628 { 629 /* 630 * Test lengths close to powers of two, as those are likely 631 * to be edge cases. 632 */ 633 size_t len; 634 int fuzz; 635 for (len = 2; len <= 65536; len *= 2) { 636 for (fuzz = -1; fuzz <= 1; fuzz++) { 637 symlink_len(tc, mp, len + fuzz); 638 } 639 } 640 } 641 642 static void 643 symlink_root(const atf_tc_t *tc, const char *mp) 644 { 645 646 USES_SYMLINKS; 647 648 RL(rump_sys_chdir(mp)); 649 RL(rump_sys_symlink("/", "foo")); 650 RL(rump_sys_chdir("foo")); 651 } 652 653 static void 654 attrs(const atf_tc_t *tc, const char *mp) 655 { 656 struct stat sb, sb2; 657 struct timeval tv[2]; 658 int fd; 659 660 FSTEST_ENTER(); 661 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 662 RL(rump_sys_close(fd)); 663 RL(rump_sys_stat(TESTFILE, &sb)); 664 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 665 RL(rump_sys_chown(TESTFILE, 1, 2)); 666 sb.st_uid = 1; 667 sb.st_gid = 2; 668 RL(rump_sys_chmod(TESTFILE, 0123)); 669 sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; 670 } 671 672 tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ 673 tv[0].tv_usec = 1; 674 tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ 675 tv[1].tv_usec = 3; 676 RL(rump_sys_utimes(TESTFILE, tv)); 677 RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ 678 sb.st_atimespec.tv_sec = 1000000000; 679 sb.st_atimespec.tv_nsec = 1000; 680 sb.st_mtimespec.tv_sec = 1000000002; 681 sb.st_mtimespec.tv_nsec = 3000; 682 683 RL(rump_sys_stat(TESTFILE, &sb2)); 684 #define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) 685 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 686 CHECK(st_uid); 687 CHECK(st_gid); 688 CHECK(st_mode); 689 } 690 if (!FSTYPE_MSDOS(tc)) { 691 /* msdosfs has only access date, not time */ 692 CHECK(st_atimespec.tv_sec); 693 } 694 CHECK(st_mtimespec.tv_sec); 695 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || 696 FSTYPE_SYSVBFS(tc) || FSTYPE_V7FS(tc))) { 697 CHECK(st_atimespec.tv_nsec); 698 CHECK(st_mtimespec.tv_nsec); 699 } 700 #undef CHECK 701 702 FSTEST_EXIT(); 703 } 704 705 static void 706 fcntl_lock(const atf_tc_t *tc, const char *mp) 707 { 708 int fd, fd2; 709 struct flock l; 710 struct lwp *lwp1, *lwp2; 711 712 FSTEST_ENTER(); 713 l.l_pid = 0; 714 l.l_start = l.l_len = 1024; 715 l.l_type = F_RDLCK | F_WRLCK; 716 l.l_whence = SEEK_END; 717 718 lwp1 = rump_pub_lwproc_curlwp(); 719 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 720 RL(rump_sys_ftruncate(fd, 8192)); 721 722 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 723 724 /* Next, we fork and try to lock the same area */ 725 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 726 lwp2 = rump_pub_lwproc_curlwp(); 727 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 728 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 729 730 /* Switch back and unlock... */ 731 rump_pub_lwproc_switch(lwp1); 732 l.l_type = F_UNLCK; 733 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 734 735 /* ... and try to lock again */ 736 rump_pub_lwproc_switch(lwp2); 737 l.l_type = F_RDLCK | F_WRLCK; 738 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 739 740 RL(rump_sys_close(fd2)); 741 rump_pub_lwproc_releaselwp(); 742 743 RL(rump_sys_close(fd)); 744 745 FSTEST_EXIT(); 746 } 747 748 static int 749 flock_compare(const void *p, const void *q) 750 { 751 int a = ((const struct flock *)p)->l_start; 752 int b = ((const struct flock *)q)->l_start; 753 return a < b ? -1 : (a > b ? 1 : 0); 754 } 755 756 /* 757 * Find all locks set by fcntl_getlock_pids test 758 * using GETLK for a range [start, start+end], and, 759 * if there is a blocking lock, recursively find 760 * all locks to the left (toward the beginning of 761 * a file) and to the right of the lock. 762 * The function also understands "until end of file" 763 * convention when len==0. 764 */ 765 static unsigned int 766 fcntl_getlocks(int fildes, off_t start, off_t len, 767 struct flock *lock, struct flock *end) 768 { 769 unsigned int rv = 0; 770 const struct flock l = { start, len, 0, F_RDLCK, SEEK_SET }; 771 772 if (lock == end) 773 return rv; 774 775 RL(rump_sys_fcntl(fildes, F_GETLK, &l)); 776 777 if (l.l_type == F_UNLCK) 778 return rv; 779 780 *lock++ = l; 781 rv += 1; 782 783 ATF_REQUIRE(l.l_whence == SEEK_SET); 784 785 if (l.l_start > start) { 786 unsigned int n = 787 fcntl_getlocks(fildes, start, l.l_start - start, lock, end); 788 rv += n; 789 lock += n; 790 if (lock == end) 791 return rv; 792 } 793 794 if (l.l_len == 0) /* does l spans until the end? */ 795 return rv; 796 797 if (len == 0) /* are we looking for locks until the end? */ { 798 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 799 } else if (l.l_start + l.l_len < start + len) { 800 len -= l.l_start + l.l_len - start; 801 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 802 } 803 804 return rv; 805 } 806 807 static void 808 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 809 { 810 /* test non-overlaping ranges */ 811 struct flock expect[4]; 812 const struct flock lock[4] = { 813 { 0, 2, 0, F_WRLCK, SEEK_SET }, 814 { 2, 1, 0, F_WRLCK, SEEK_SET }, 815 { 7, 5, 0, F_WRLCK, SEEK_SET }, 816 { 4, 3, 0, F_WRLCK, SEEK_SET }, 817 }; 818 819 /* Add extra element to make sure recursion does't stop at array end */ 820 struct flock result[5]; 821 822 /* Add 5th process */ 823 int fd[5]; 824 pid_t pid[5]; 825 struct lwp *lwp[5]; 826 827 unsigned int i, j; 828 const off_t sz = 8192; 829 int omode = 0755; 830 int oflags = O_RDWR | O_CREAT; 831 832 memcpy(expect, lock, sizeof(lock)); 833 834 FSTEST_ENTER(); 835 836 /* 837 * First, we create 4 processes and let each lock a range of the 838 * file. Note that the third and fourth processes lock in 839 * "reverse" order, i.e. the greater pid locks a range before 840 * the lesser pid. 841 * Then, we create 5th process which doesn't lock anything. 842 */ 843 for (i = 0; i < __arraycount(lwp); i++) { 844 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 845 846 lwp[i] = rump_pub_lwproc_curlwp(); 847 pid[i] = rump_sys_getpid(); 848 849 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 850 oflags = O_RDWR; 851 omode = 0; 852 853 RL(rump_sys_ftruncate(fd[i], sz)); 854 855 if (i < __arraycount(lock)) { 856 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 857 expect[i].l_pid = pid[i]; 858 } 859 } 860 861 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 862 863 /* 864 * In the context of each process, recursively find all locks 865 * that would block the current process. Processes 1-4 don't 866 * see their own lock, we insert it to simplify checks. 867 * Process 5 sees all 4 locks. 868 */ 869 for (i = 0; i < __arraycount(lwp); i++) { 870 unsigned int nlocks; 871 872 rump_pub_lwproc_switch(lwp[i]); 873 874 memset(result, 0, sizeof(result)); 875 nlocks = fcntl_getlocks(fd[i], 0, sz, 876 result, result + __arraycount(result)); 877 878 if (i < __arraycount(lock)) { 879 ATF_REQUIRE(nlocks < __arraycount(result)); 880 result[nlocks] = lock[i]; 881 result[nlocks].l_pid = pid[i]; 882 nlocks++; 883 } 884 885 ATF_CHECK_EQ(nlocks, __arraycount(expect)); 886 887 qsort(result, nlocks, sizeof(result[0]), &flock_compare); 888 889 for (j = 0; j < nlocks; j++) { 890 ATF_CHECK_EQ(result[j].l_start, expect[j].l_start ); 891 ATF_CHECK_EQ(result[j].l_len, expect[j].l_len ); 892 ATF_CHECK_EQ(result[j].l_pid, expect[j].l_pid ); 893 ATF_CHECK_EQ(result[j].l_type, expect[j].l_type ); 894 ATF_CHECK_EQ(result[j].l_whence, expect[j].l_whence); 895 } 896 } 897 898 /* 899 * Release processes. This also releases the fds and locks 900 * making fs unmount possible 901 */ 902 for (i = 0; i < __arraycount(lwp); i++) { 903 rump_pub_lwproc_switch(lwp[i]); 904 rump_pub_lwproc_releaselwp(); 905 } 906 907 FSTEST_EXIT(); 908 } 909 910 static void 911 access_simple(const atf_tc_t *tc, const char *mp) 912 { 913 int fd; 914 int tmode; 915 916 FSTEST_ENTER(); 917 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 918 RL(rump_sys_close(fd)); 919 920 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 921 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 922 tmode = F_OK; 923 else 924 tmode = ALLACC; 925 926 RL(rump_sys_access("tfile", tmode)); 927 928 /* PR kern/44648 */ 929 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 930 #undef ALLACC 931 FSTEST_EXIT(); 932 } 933 934 static void 935 read_directory(const atf_tc_t *tc, const char *mp) 936 { 937 char buf[1024]; 938 int fd, res; 939 ssize_t size; 940 941 FSTEST_ENTER(); 942 fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777); 943 ATF_REQUIRE(fd != -1); 944 945 size = rump_sys_pread(fd, buf, sizeof(buf), 0); 946 ATF_CHECK(size != -1 || errno == EISDIR); 947 size = rump_sys_read(fd, buf, sizeof(buf)); 948 ATF_CHECK(size != -1 || errno == EISDIR); 949 950 res = rump_sys_close(fd); 951 ATF_REQUIRE(res != -1); 952 FSTEST_EXIT(); 953 } 954 955 static void 956 lstat_symlink(const atf_tc_t *tc, const char *mp) 957 { 958 const char *src, *dst; 959 int res; 960 struct stat st; 961 962 USES_SYMLINKS; 963 964 FSTEST_ENTER(); 965 966 src = "source"; 967 dst = "destination"; 968 969 res = rump_sys_symlink(src, dst); 970 ATF_REQUIRE(res != -1); 971 res = rump_sys_lstat(dst, &st); 972 ATF_REQUIRE(res != -1); 973 974 ATF_CHECK(S_ISLNK(st.st_mode) != 0); 975 ATF_CHECK(st.st_size == (off_t)strlen(src)); 976 977 FSTEST_EXIT(); 978 } 979 980 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 981 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 982 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 983 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 984 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out (PR kern/44657)"); 985 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops " 986 "(PR kern/44288)"); 987 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .. (PR kern/43617)"); 988 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 989 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 990 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 991 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 992 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with target of length 0"); 993 ATF_TC_FSAPPLY(symlink_long, "symlink with target of length > 0"); 994 ATF_TC_FSAPPLY(symlink_root, "symlink to root directory"); 995 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 996 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 997 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 998 ATF_TC_FSAPPLY(access_simple, "access(2)"); 999 ATF_TC_FSAPPLY(read_directory, "read(2) on directories"); 1000 ATF_TC_FSAPPLY(lstat_symlink, "lstat(2) values for symbolic links"); 1001 1002 #undef FSTEST_IMGSIZE 1003 #define FSTEST_IMGSIZE (1024*1024*64) 1004 ATF_TC_FSAPPLY(create_many, "create many directory entries"); 1005 1006 ATF_TP_ADD_TCS(tp) 1007 { 1008 1009 ATF_TP_FSAPPLY(lookup_simple); 1010 ATF_TP_FSAPPLY(lookup_complex); 1011 ATF_TP_FSAPPLY(dir_simple); 1012 ATF_TP_FSAPPLY(dir_notempty); 1013 ATF_TP_FSAPPLY(dir_rmdirdotdot); 1014 ATF_TP_FSAPPLY(rename_dir); 1015 ATF_TP_FSAPPLY(rename_dotdot); 1016 ATF_TP_FSAPPLY(rename_reg_nodir); 1017 ATF_TP_FSAPPLY(create_many); 1018 ATF_TP_FSAPPLY(create_nametoolong); 1019 ATF_TP_FSAPPLY(create_exist); 1020 ATF_TP_FSAPPLY(rename_nametoolong); 1021 ATF_TP_FSAPPLY(symlink_zerolen); 1022 ATF_TP_FSAPPLY(symlink_long); 1023 ATF_TP_FSAPPLY(symlink_root); 1024 ATF_TP_FSAPPLY(attrs); 1025 ATF_TP_FSAPPLY(fcntl_lock); 1026 ATF_TP_FSAPPLY(fcntl_getlock_pids); 1027 ATF_TP_FSAPPLY(access_simple); 1028 ATF_TP_FSAPPLY(read_directory); 1029 ATF_TP_FSAPPLY(lstat_symlink); 1030 1031 return atf_no_error(); 1032 } 1033
Indexes created Mon Sep 29 21:09:56 GMT 2025